In the diagram, which is demonstrated by arrow 2? a. liquid water evaporating from the surface to the atmosphere b. water vapor condensing into liquid water in the atmosphere c. liquid water moving from the atmosphere to the surface d. liquid water moving along the surface

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c.) polymerase chain reaction

- "unlike the original dna fingerprinting method, dna profiling does not use restriction enzymes to cut the dna. instead it uses the polymerase chain reaction (pcr)? to produce many copies of specific str sequences. pcr is an automated procedure that generates lots of copies of a specific sequence of dna."

carbon atoms, hydrogen, oxygen, and nitrogen.